Home / 12,158.56-18,204.94-6,302.86

Finding the Fourth Proportional to 12,158.56, 18,204.94 and 6,302.86

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Solution

The fourth proportional to 12,158.56, 18,204.94 and 6,302.86 is: 9,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158.56 : 18,204.94 = 6,302.86 : x
  2. Step 2: Convert to fraction form
    12,158.56/18,204.94 = 6,302.86/x
  3. Step 3: Cross multiply
    12,158.56x = 18,204.94 × 6,302.86
  4. Step 4: Simplify right side
    12,158.56x = 114,743,188.13
  5. Step 5: Solve for x
    x = 114,743,188.13/12,158.56
  6. Step 6: Final answer
    x = 9,437.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.